CN214119347U

CN214119347U - Plug assembly

Info

Publication number: CN214119347U
Application number: CN202022652717.8U
Authority: CN
Inventors: 周猛; 金传山; 李振升; 孙标
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-09-03
Anticipated expiration: 2030-11-16

Abstract

The utility model provides an end cap subassembly. The end cap subassembly is used for the shutoff to connect, and the end cap subassembly includes: the clamping head structure is provided with a central through hole, the end face of the first end of the clamping head structure is provided with a plurality of deformation seams, the deformation seams are communicated with the inner peripheral wall of the clamping head structure and the outer peripheral wall of the clamping head structure, and the joint extends into the hollow structure; seal structure, seal structure have the seal groove, and in the first end of dop structure stretched into the seal groove, the cell wall extrusion dop structure of seal groove made deformation seam tighten up, dop structure and joint, and the tank bottom of seal groove is sealed with the joint butt. The utility model solves the problem of inconvenient installation of the plugging device in the prior art.

Description

Plug assembly

Technical Field

The utility model relates to a sealing equipment technical field particularly, relates to an end cap subassembly.

Background

With the wide application of water cooling system in various equipment, in order to satisfy different assembly demands, water pipe head also various styles. A joint convenient to connect is characterized in that a water pipe is used more frequently. However, when testing the air tightness in the production process of the water pipe, each joint needs to be plugged to check whether the water pipe has an air leakage point. The water pipe joint is sealed through a hose, a clamp and a plug under the common condition, the installation time is long, and a new clamp needs to be replaced during each test. Or the rubber rod with the variable outer diameter is used for plugging, the scheme has high requirement precision, sealing is completed by interference fit of extruded rubber, the device cost is high, but explosion is easy to occur when the rubber is aged. The device can also be used for sealing by extruding the rubber inside the sleeve and the outside of the joint, and has high cost, and the rubber is still easy to explode when being aged.

That is to say, plugging device has the inconvenient problem of installation among the prior art.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an end cap assembly to solve the problem of inconvenient installation of the plugging device in the prior art.

In order to achieve the above object, the utility model provides an end cap subassembly, end cap subassembly are used for the shutoff to connect, and the end cap subassembly includes: the clamping head structure is provided with a central through hole, the end face of the first end of the clamping head structure is provided with a plurality of deformation seams, the deformation seams are communicated with the inner peripheral wall of the clamping head structure and the outer peripheral wall of the clamping head structure, and the joint extends into the central through hole; seal structure, seal structure have the seal groove, and in the first end of dop structure stretched into the seal groove, the cell wall extrusion dop structure of seal groove made deformation seam tighten up, dop structure and joint, and the tank bottom of seal groove is sealed with the joint butt.

Furthermore, the groove side wall of the sealing groove is provided with an extrusion rib, and when the sealing structure is assembled with the chuck structure, the extrusion rib extrudes the first end of the chuck structure so as to tighten the deformation seam.

Furthermore, the extrusion ribs are continuously arranged around the circumferential direction of the sealing groove; or the extrusion ribs are arranged at intervals around the circumferential direction of the sealing groove.

Further, the extrusion rib is an internal thread provided on a groove side wall of the seal groove.

Further, the first end of the chuck structure is also provided with an external thread matched with the internal thread.

Further, the extrusion muscle is protruding column structure, and the periphery wall of dop structure has the spacing groove, and the spacing groove is including guide way and the joint groove that communicates in order, the guide way and the terminal surface intercommunication of the first end of dop structure, and the guide way extends along the direction of height of dop structure, and the joint groove extends along the circumference of dop structure, and protruding column structure slides in the joint inslot through the guide way to realize the joint of protruding column structure and spacing groove.

Further, the sectional area of the seal groove is gradually reduced along the direction away from the notch of the seal groove.

Further, the sectional area of the part, matched with the sealing groove, of the chuck structure is gradually reduced towards the direction close to the end face of the first end of the chuck structure.

Further, the sealing structure further comprises a sealing gasket which is arranged on the groove bottom of the sealing groove and is abutted and sealed with the joint.

Further, the groove bottom of the sealing groove is provided with a mounting groove, at least one part of the sealing gasket is accommodated in the mounting groove, and the sealing gasket is in interference fit with the mounting groove.

Further, the outer peripheral face of dop structure has the circumference annular, and circumference annular sets up with the first end interval of dop structure to make the regional deformation region that constitutes jointly of the region that forms between the first end of circumference annular and dop structure in the region of circumference annular place and circumference annular, deformation seam is located the deformation region.

By applying the technical scheme of the utility model, the plug component is used for plugging the joint, the plug component comprises a chuck structure and a sealing structure, the chuck structure is provided with a central through hole, the end face of the first end of the chuck structure is provided with a plurality of deformation seams, the deformation seams are communicated with the inner peripheral wall of the chuck structure and the outer peripheral wall of the chuck structure, and the joint extends into the central through hole; the sealing structure is provided with a sealing groove, the first end of the clamping head structure extends into the sealing groove, the groove wall of the sealing groove extrudes the clamping head structure to enable the deformation seam to be tightened, the clamping head structure is connected with the connector in a clamped mode, and the groove bottom of the sealing groove is connected with the connector in an abutted mode and sealed.

Through setting up the dop structure for the dop structure can be through seal structure and joint, avoids end cap subassembly and the risk that connects the separation from, has increased the compactness of being connected between end cap subassembly and the joint. After the sealing structure is assembled on the chuck structure, the deformation seam is tightened under the action of extrusion force of the groove wall of the sealing groove to the peripheral surface of the chuck structure, so that the inner wall surface of the chuck structure is connected with the joint in a clamping manner, and the joint is prevented from being separated from the chuck structure. Meanwhile, the peripheral surface of the chuck structure is extruded by the groove wall of the sealing groove, so that the sealing groove and the chuck structure are sealed in an extruding manner, the risk of separation between the sealing groove and the chuck structure is avoided, and the tightness of connection between the sealing structure and the chuck structure is improved. After the sealing structure and the chuck structure are assembled, the groove bottom of the sealing groove is in butt joint sealing with the joint so as to complete the sealing of the joint.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of an alternative embodiment of the present invention showing the assembly of a plug assembly to a fitting; and

FIG. 2 is a schematic view of the plug assembly of FIG. 1 shown in mating relationship at another angle with the connector;

FIG. 3 shows an exploded view of one angle of FIG. 1;

FIG. 4 shows a cross-sectional view at one angle of FIG. 3;

FIG. 5 shows an exploded view of the plug assembly of FIG. 1;

FIG. 6 shows a schematic structural view of the cartridge structure of FIG. 5;

FIG. 7 shows an angled view of the cartridge structure of FIG. 6;

FIG. 8 shows another angled view of the cartridge structure of FIG. 6;

FIG. 9 shows a cross-sectional view of the cartridge structure of FIG. 8;

FIG. 10 shows a schematic structural view of the seal structure of FIG. 5;

figure 11 shows a cross-sectional view of the seal structure of figure 10.

Wherein the figures include the following reference numerals:

10. a chuck structure; 11. deformation seams; 12. a circumferential ring groove; 13. a mating segment; 131. a connecting surface section; 132. a snap-fit surface section; 133. a guide surface section; 20. a sealing structure; 21. a sealing groove; 22. a gasket; 23. mounting grooves; 30. and (4) a joint.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the inconvenient problem of plugging device existence installation among the prior art, the utility model provides an end cap subassembly.

As shown in fig. 1 to 11, the plug assembly is used for plugging a connector 30, the plug assembly includes a chuck structure 10 and a sealing structure 20, the chuck structure 10 has a central through hole, an end surface of a first end of the chuck structure 10 has a plurality of deformation slits 11, the deformation slits 11 communicate an inner peripheral wall of the chuck structure 10 and an outer peripheral wall of the chuck structure 10, and the connector 30 extends into the central through hole; the sealing structure 20 is provided with a sealing groove 21, the first end of the chuck structure 10 extends into the sealing groove 21, the groove wall of the sealing groove 21 extrudes the chuck structure 10 to tighten the deformation seam 11, the chuck structure 10 is clamped with the connector 30, and the groove bottom of the sealing groove 21 is abutted and sealed with the connector 30.

Through setting up dop structure 10 for dop structure 10 can be through seal structure 20 and joint 30 joint, avoids the risk that the end cap subassembly breaks away from with joint 30, has increased and has been connected between end cap subassembly and the joint 30 closely. After the sealing structure 20 is assembled on the chuck structure 10, under the action of the extrusion force of the groove wall of the sealing groove 21 to the outer peripheral surface of the chuck structure 10, the deformation seam 11 is tightened, so that the inner wall surface of the chuck structure 10 is connected with the joint 30 in a clamping manner, and the joint 30 is prevented from being separated from the chuck structure 10. Meanwhile, the groove wall of the sealing groove 21 presses the outer peripheral surface of the chuck structure 10, so that the sealing groove 21 and the chuck structure 10 are sealed in a pressing manner, the risk of separation between the sealing groove 21 and the chuck structure 10 is avoided, and the tightness of connection between the sealing structure 20 and the chuck structure 10 is improved. After the sealing structure 20 is assembled with the chuck structure 10, the groove bottom of the sealing groove 21 is sealed in abutment with the joint 30 to complete the sealing of the joint 30.

Optionally, the groove sidewall of the sealing groove 21 has an extrusion rib, and when the sealing structure 20 is assembled with the chuck structure 10, the extrusion rib extrudes the first end of the chuck structure 10 to tighten the deformation seam 11. The setting of extrusion muscle is convenient for seal structure 20 to the extrusion of dop structure 10, and the first end of the dop structure 10 of being convenient for warp the shrink, and then makes dop structure 10 and joint 30 joint, avoids the risk that dop structure 10 and joint 30 break away from.

Example one

In the present embodiment, the crush ribs are continuously provided around the circumferential direction of the seal groove 21. Set up like this and make the extrusion muscle can extrude chuck structure 10 in a plurality of positions, and then make dop structure 10 take place deformation in a plurality of directions homoenergetic, be favorable to dop structure 10 and connect the joint between 30, guaranteed to be connected between dop structure 10 and the joint 30 compactness.

Specifically, the bead is an internal thread provided on the groove side wall of the seal groove 21. The first end of the chuck structure 10 also has an external thread that mates with the internal thread. This arrangement allows for assembly of the chuck structure 10 with the seal structure 20 by simply screwing the chuck structure 10 onto the seal structure 20. The internal threads can extrude the outer wall of the chuck structure 10 so that the first end of the chuck structure 10 is tightened to connect the chuck structure 10 and the connector 30 in a clamping manner. And the internal thread and the external thread are matched with each other, so that the chuck structure 10 and the sealing structure 20 can be effectively prevented from being separated, and the connection tightness between the plug assembly and the connector 30 is improved.

As shown in fig. 2, 4 and 11, the cross-sectional area of the seal groove 21 is gradually reduced in a direction away from the notch of the seal groove 21. Set up like this when assembling dop structure 10 in seal groove 21 gradually, the lateral wall of seal groove 21 is to the extrusion force of dop structure 10 crescent, is favorable to guaranteeing that the first end of dop structure 10 tightens up, can effectively avoid the risk that breaks away from between dop structure 10 and the joint 30.

As shown in fig. 2, 4, and 9, a cross-sectional area of a portion of the cartridge structure 10 that engages with the seal groove 21 is gradually reduced toward an end surface of the first end of the cartridge structure 10. This arrangement provides a guide for facilitating the assembly of the cartridge structure 10 into the seal groove 21. The arrangement enables the chuck structure 10 to be matched with the sealing groove 21, so that the chuck structure 10 is convenient to assemble, and meanwhile, the groove wall of the sealing groove 21 is convenient to extrude the chuck structure 10, and clamping between the chuck structure 10 and the connector 30 is facilitated.

As shown in fig. 2 to 5, the seal structure 20 further includes a gasket 22, and the gasket 22 is provided on the groove bottom of the seal groove 21 and abuts against and seals the joint 30. The sealing gasket 22 is convenient for sealing the joint 30, the sealing gasket 22 is made of soft materials, the sealing performance between the sealing gasket 22 made of soft materials and the joint 30 is good, and the sealing stability of the joint 30 can be effectively guaranteed.

It should be noted that the deformation seam 11 has a pressure relief effect when the sealing gasket 22 fails, so as to avoid the explosion of the plug assembly and increase the safety of the use of the plug assembly.

As shown in fig. 4 and 11, a mounting groove 23 is provided on the groove bottom of the sealing groove 21, at least a portion of the gasket 22 is accommodated in the mounting groove 23, and the gasket 22 is in interference fit with the mounting groove 23. The installation of the sealing gasket 22 is convenient for due to the arrangement of the installation groove 23, the sealing gasket 22 can be accurately installed in place, and the sealing gasket 22 can stably seal the joint 30. A stop catch is formed between the side wall of the mounting groove 23 and the sealing gasket 22, so that the sealing gasket 22 is prevented from shaking, and the working stability of the sealing gasket 22 is ensured. The sealing gasket 22 is in interference fit with the mounting groove 23, and the stability of assembly between the sealing gasket 22 and the mounting groove 23 can be effectively ensured.

As shown in fig. 1 to 6, the circumferential annular groove 12 is formed on the outer circumferential surface of the chuck structure 10, and the circumferential annular groove 12 is spaced from the first end of the chuck structure 10, so that the region where the circumferential annular groove 12 is located and the region formed between the circumferential annular groove 12 and the first end of the chuck structure 10 jointly form a deformation region, and the deformation seam 11 is located in the deformation region. The setting of circumference annular 12 makes the lateral wall of dop structure 10 in circumference annular 12 department thinner, and the lateral wall of the circumference annular 12 department of being convenient for takes place to deform, and the joint 30 of being convenient for stretches into dop structure 10, still makes the joint fixed between dop structure 10 and the joint 30 simultaneously, avoids the risk that dop structure 10 and joint 30 break away from.

In the specific embodiment shown in fig. 9, a matching section 13 is formed between the circumferential annular groove 12 and the end surface of the first end of the chuck structure 10, an inner wall surface of the matching section 13 has a connecting surface section 131, a clamping surface section 132 and a guiding surface section 133, which are connected to an inner wall surface of the circumferential annular groove 12, the connecting surface section 131 is flush with the inner wall surface of the circumferential annular groove 12, the clamping surface section 132 is perpendicular to the connecting surface section 131 and extends in a direction away from the connecting surface section 131, and a cross-sectional area of the guiding surface section 133 is flared in a direction away from the connecting surface section 131.

Example two

The difference from the first embodiment is that the arrangement form of the extrusion ribs is different.

In the present embodiment, the plurality of the extrusion beads are provided at intervals around the circumferential direction of the seal groove 21. Set up like this and make the extrusion muscle can extrude chuck structure 10 in a plurality of positions, be favorable to tightening up of deformation seam 11, guaranteed the stability of chuck structure 10 work.

Specifically, the extrusion muscle is protruding column structure, and the periphery wall of dop structure 10 has the spacing groove, and the spacing groove is including guide way and the joint groove that communicates in order, the guide way and the terminal surface intercommunication of the first end of dop structure 10, and the guide way extends along the direction of height of dop structure 10, and the joint groove extends along the circumference of dop structure 10, and protruding column structure slides in the joint inslot through the guide way to realize the joint of protruding column structure and spacing groove. The setting of spacing groove plays certain guide effect, and the extrusion muscle of being convenient for slides into predetermined position and extrudes dop structure 10, is convenient for with the assembly between dop structure 10 and seal structure 20. Meanwhile, the extrusion rib slides into the clamping groove to be limited and stopped with the side wall of the clamping groove, the risk of separation between the sealing structure 20 and the clamping head structure 10 is avoided, and the stability of assembly of the sealing structure 20 and the clamping head structure 10 is improved.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A plug assembly for plugging a joint (30), the plug assembly comprising:

the clamping head structure (10) is provided with a central through hole, the end face of the first end of the clamping head structure (10) is provided with a plurality of deformation seams (11), the deformation seams (11) are communicated with the inner peripheral wall of the clamping head structure (10) and the outer peripheral wall of the clamping head structure (10), and the joint (30) extends into the central through hole;

seal structure (20), seal structure (20) have seal groove (21), the first end of dop structure (10) stretches into in seal groove (21), the cell wall extrusion of seal groove (21) dop structure (10) make deformation seam (11) tighten up, dop structure (10) with connect (30) joint, just the tank bottom of seal groove (21) with connect (30) butt sealed.

2. The plug assembly according to claim 1, wherein the groove sidewall of the sealing groove (21) has an extrusion rib, and when the sealing structure (20) is assembled with the chuck structure (10), the extrusion rib extrudes the first end of the chuck structure (10) to tighten the deformation seam (11).

3. The plug assembly of claim 2,

the extrusion ribs are continuously arranged around the circumferential direction of the sealing groove (21); or

The extrusion rib is a plurality of, a plurality of the extrusion rib is around the circumference interval setting of seal groove (21).

4. The plug assembly according to claim 3, wherein the extrusion rib is an internal thread provided on a groove side wall of the sealing groove (21).

5. The plug assembly according to claim 4, wherein the first end of the chuck structure (10) further has an external thread for mating with the internal thread.

6. The plug assembly according to claim 3, wherein the extrusion rib is a convex structure, the peripheral wall of the chuck structure (10) is provided with a limiting groove, the limiting groove comprises a guide groove and a clamping groove which are communicated in sequence, the guide groove is communicated with the end face of the first end of the chuck structure (10), the guide groove extends along the height direction of the chuck structure (10), the clamping groove extends along the circumferential direction of the chuck structure (10), and the convex structure slides into the clamping groove through the guide groove to realize the clamping connection of the convex structure and the limiting groove.

7. The plug assembly according to any one of claims 1 to 6, wherein the cross-sectional area of the sealing groove (21) decreases in a direction away from the slot opening of the sealing groove (21).

8. The plug assembly according to claim 7, wherein a cross-sectional area of a portion of the cartridge structure (10) engaging the seal groove (21) decreases in a direction toward an end surface of the first end of the cartridge structure (10).

9. The plug assembly according to any one of claims 1 to 6, wherein the sealing structure (20) further comprises a sealing gasket (22), the sealing gasket (22) being disposed on a groove bottom of the sealing groove (21) and sealing against the joint (30).

10. The plug assembly according to claim 9, wherein a mounting groove (23) is provided on a groove bottom of the sealing groove (21), at least a portion of the sealing gasket (22) is accommodated in the mounting groove (23), and the sealing gasket (22) is in interference fit with the mounting groove (23).

11. The plug assembly according to any one of claims 1 to 6, wherein the outer circumferential surface of the cartridge structure (10) has a circumferential annular groove (12), and the circumferential annular groove (12) is spaced from the first end of the cartridge structure (10), so that the region where the circumferential annular groove (12) is located and the region formed between the circumferential annular groove (12) and the first end of the cartridge structure (10) together form a deformation region, and the deformation seam (11) is located in the deformation region.